Transmission-lock.



L. H. SPARKS5 TRANSMlSSiON LOCK. AP'PLlCATlO! FILED IAL?, 1914- {ENEWI-D FEB.

Pamned May 29, 1917.

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:LESTER E. SFARKS, 01E' LAKEWOOD, NEW JERSEY, SSIGOR GF FGELTY-NINE ONE- HUNDREDIHS T JENNIE MILLER, 0F LKEOOD, NEW I rnnnsnIssrcn-Locn;

neenece.

Speciicatcn of Letters Patent.

.Application filed Ilhfercli 9, 19M, Serial .No.ele 'Renewed Eebrnery 26, 1517. Serial im. MMM.

To all whom it may concern:

Be it known that I, LESTER H'. Spanne, a citizen of the United States, residing at Lakewood, in the county of Ocean, State of New Jersey, have invented certain new and 1useful improvements '.liranemissionm Locks; and I do hereby declare the following to he a full, clear, and exact description ci the invention, .such as will. enable others skilled in the art to which it :ip'pertains to Inalrcand use the same.

ifihis invention 'relates to transmission I vide a novel means whereby, at the proper time, any manipulation oi the transmission loci; causes the saine to he securely locked even though the timer mechanism is `operated previously. 4

A third object of the invention is to provide meansfior insuring the full throw of the locking element.

With. the above and other object-sin View the invention consists in general oit' certain novel details of construction and combination of parte hereinafter fully described, illustrated in the accompanying drawings, and specifically claimed.

In the accompanying drawings, like characters oi reference indicate like 'parte in the several views, and f Figure l is a view showing the general l position. of the device with relationy to a i transmission.

lili

Fig. 2 is an end View of the apparatus with the cover thrown back the electrical connection to the timer ing diagrammaticelly ehown..{`` y Fig. t is a plan View cf the device with the cover thrown hecht.

F i is a section. on the line of te Fig. 3. Y

Fig. 5 is c. detached view showing .a por*V tion of one of the ronds. j r

ln carrying out the 'objects oir-,the invention there is provided .af casingn l0 which 55 is normally closed by 'a cover il.' it l2 is indicated the casing 4for the transmission gearing, the latterheing operated hy'nieane of the rods 13 and ML The rod 13, which is .A normally continuous, ie fcut in ,two and te threaded into suitahie openings eech end of the casing,r sc'thet the hitter is held f immovable on said rodi., ln like nleinherthev rod 1li is cnt in tweand thecut ends are screwed into a har 16 provided with a rilo Se 17 having a step notch 17,' '.toxfnied therein 'to receive the locking member. This her and rib are received. in. a lifely hole opening 18' extending through the casing. i'

It is to he ohserved'tliat 'the rear part :of "EKU" the casing isformed oita solid block as atfi' 20 and is provided with a lnhrica-ting,"epehv" w ing 19 so that oil .me-y he supplied to' the bar 16., This block 20 is slotted as "et 2i and pivoted to swing in this slotted is a locking bei 22., Mounted on the ase of the device is a stop pin 2? which isadepted to be engaged by a stop pin 2e to limit out ward swinging movementof the har.A ilse l mounted on this hase'areithe megnets'oif'ec which" there are two pairs indicated :espectively' at 25. and 26. Furthermore on this case ist an insulating block 27 whereon is mounted a contact 28 which is connected through the magnets to a-binding post 8b 29.' On the block is a. similar contact 30 connected through the magnets 26 to a binding post 3l. There is alsoprovided a third binding post 32 on said block and this hinding post is connected by a wire 33 with ceo Contact armor linger 3e which is carried by an insulatingv arm 35 on a shaft 36. Fixed on the shaft 36 are arms 37 which carry the armatures 38V and39 whichare adapted to he attracted by the magnet cores il, the. letter being cut away es at i0 to permit :full movement'of said armatures while keeping them in the magnet held. Illictendin,`

through the shaft 3G. is a pin 36 which works in a slot 36 formed in a projection on the insulating arm 35 so that the contact finger 34 need not move to the full extent of movement of the shaft 36.

At 42 is a battery which is connected by a wire 43 with the contact 32 by a wire 44 with the timer 45. This timer is connected by a wire 4G with the contact 29 and by a wire 47 with the contact 3l. Moreover a testing circuit is employed which includes the wire 48, circuitI closer 49 and bell 50, the circuit extending between the wires 43 and 47.

.Depending from the armatures 39 is an arm- 51 which carries at its lower end a pivot pin 52 movable in a slot 53 in a link 54 provided at its other' end with a shorter slot 55. A pin 56 passes through `the slot 55 and serves to connectthe link 54 with the arm or bar 22. At the bottom of the casing is an car 57 whereon is pivotally mounted an arm 58 which is connected at its upper end to the pin 52. Surrounding the arm and normally urgingthe arm 51 to onerextreme position or the other, is a coil spring In the operation of the device when the timer mechanism so operates as to throw the wire 46 into connection with ythe wire 44 then the circuit will be established through the magnets 2*. The result ot this will be to draw down the parts to the position shownin full lines in Figs. 2 and 4. lf however the, wire 47 be connected by the operation of the timer mechanism then the magnets 26 will be energized. rlChis will cause the attraction of the left hand armature in Fig. 2 by the poles 41 of the left hand magnet with the consequence that these will be drawn down. rThus the bar 22 will be swung to the position "shown in dotted lines in Fig. 4 and 'wili be forced to extreme position bythe operation oi the spring 59, since as soon as the pin 52 passes to the right of the center line between the shaft 36 and the shaft (i0, which forms the pivot of the arm 58 on ear 57, t ie tendency oi' the spring will be to constantly move the link farther to the right. At the same time the contact 34 will move to the right and break the circuit thus throwing the battery out of circuit. lf now the timer mechanism vagain operates to energize the right hand magnet 25 then the same operation will take place with a tendency to 'throw the bar 22 into the notch 19. However, if the bar can not be-thrown into the notch by 'reason ol this notch not being in exact position, then the linl. 54 will only move to such position that the pin 52 is slightly to the lett of the line connecting the shafts .36 and G0. Yet, when the notch docs arrive at the correct position the action of the spring' 59 will complete the action of the magnetic means naeaaae and force the arm 22 fully inward thus locking` the shafts 13 and 14 from relative movement.

There has thus been provided a simple i member having a notch therein, alever piv-l otally supported in the said 'casing and adapted to engage said notch, a plurality of electromagnets, a link connecting the said lever and the armatures of said magnets, means to control the energizing of said magnets to move. said links andresilient means for completing the movement of said links.

' 2. ln combination with a lock casing, a member slidable therethrough and having a notch therein, a lever adapted to engage said notch when the latter is in a predetergli mined position, a plurality of electro-magnets, a link connecting said lever and the armatures of said magnet, means to control the movement of said armatures to move the lever toward the aforementioned slidable member and resilient means for completing the movement of the said lever when the notch in the said slidable member reaches a predetermined position.

3. The combination with a lock casing or' a n'iember slidable therethrough, the said member having a notch therein, means to engage said notch to lock the said slidable member, means yto move the said last mentioned means, and means to complete the movement of the notch engaging means to move it into the notch in the said slidable member when v the said notch arrives in alinement therewith. Y,

4. rlhe combination with a lock casin ci a member slidable therethrough and prn vided with a locking notch, `a plurality off' electro-magnets, an armature lever pivoteo' intermediate said magnets, a pair of armatures on said lever arranged for selective attraction by said magnets, a locking member mounted on said casin to engage said notch, an arm depending iirrom saidarmature lever, a link connecting the lockingV member and arm, and means to move said arm. to extreme positions after energization of a selected magnet.

5. The combination with a lock casing; of a member slidable therethrough and promesme I gig vided with a locking-notch, eJ plurelity of electro-magnets, anarmature lever ivoted intermediate said magnets, e pair o' armatures en seid; lever arranged for selective ettraeton h] seid magnets, a looking membei meente en Seid Casin to engage seid notch2 enerm depending rom said arma- 4ture lever, e. link connecting the locking member'fend erm, means to move seid am le te extreme'positions after energization of e selected magnet, and means to beek e, eincuit through the selected magnets When thev armature lever has been rocked te e prede-- tel-mined point.

ture, in the presence of tvve Witnesses.

LESTER H. SPARKS. Witnesses:

En. A.. TICKNER, M. L. TIGKNER. 

